404542852 has 24 divisors (see below), whose sum is σ = 824354496. Its totient is φ = 170103648.

The previous prime is 404542823. The next prime is 404542907. The reversal of 404542852 is 258245404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134818 + ... + 137785.

It is an arithmetic number, because the mean of its divisors is an integer number (34348104).

Almost surely, 2^404542852 is an apocalyptic number.

It is an amenable number.

404542852 is an abundant number, since it is smaller than the sum of its proper divisors (419811644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404542852 is a wasteful number, since it uses less digits than its factorization.

404542852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272667 (or 272665 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 404542852 is about 20113.2506572160. The cubic root of 404542852 is about 739.5851412175.

The spelling of 404542852 in words is "four hundred four million, five hundred forty-two thousand, eight hundred fifty-two".